Finding the Fourth Proportional to 1,557,782.68, 2,149,743.07 and 860,064.84
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Solution
The fourth proportional to 1,557,782.68, 2,149,743.07 and 860,064.84 is: 1,186,891.12
Step by Step Solution
- Step 1: Write the proportion equation
1,557,782.68 : 2,149,743.07 = 860,064.84 : x - Step 2: Convert to fraction form
1,557,782.68/2,149,743.07 = 860,064.84/x - Step 3: Cross multiply
1,557,782.68x = 2,149,743.07 × 860,064.84 - Step 4: Simplify right side
1,557,782.68x = 1,848,918,427,390.50 - Step 5: Solve for x
x = 1,848,918,427,390.50/1,557,782.68 - Step 6: Final answer
x = 1,186,891.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.